Hörnum Weather in September

Hörnum in September sees moderate temperatures, with highs around 18°C (64°F) and overnight lows of 14°C (57°F). Rainfall is fairly high at around 110 mm (4.3 in) on average, so pack waterproofs just in case.

Rainfall in Hörnum in September

The climate data from previous years indicates about 17 days of rain, averaging 110 mm (4.3 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Hörnum in September

In September, Hörnum gets moderate temperatures, with highs of 18°C (64°F). Nights cool to around 14°C (57°F). September is part of the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.